<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <script src="../vue.js"></script>
</head>

<body>
  <div id="app">
    <!-- 
        v-for遍历字符串 item就是每一个字符
       -->
    <div>
      <h1>遍历字符串</h1>
      <p v-for="(item , index) in str">{{item}} --- {{index}}</p>
    </div>

    <!-- 
        v-for遍历对象 item就是value index就是key
       -->
    <div>
      <h1>遍历对象</h1>
      <p v-for="(item , index) in obj">{{item}} --- {{index}}</p>
    </div>

    <!-- 
        v-for遍历数字,其实就是遍历数字对应的次数 item从1开始到count   index仍然是下标
       -->
    <div>
      <h1>遍历数字</h1>
      <p v-for = "(item , index) in number">{{item}} --- {{index}}</p>
    </div>

  </div>
  <script>
    Vue.config.productionTip = false;

    const vm = new Vue({
      el: "#app",
      data() {
        return {
          str: "mcwiicb",
          obj: {
            name1: "丽江",
            name2: "大理",
            name3: "拉萨"
          },
          number: 19

        };
      },
    });
  </script>
</body>

</html>